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Finding the Fourth Proportional to 66,033.72, 99,050.58 and 28,563.12

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Solution

The fourth proportional to 66,033.72, 99,050.58 and 28,563.12 is: 42,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,033.72 : 99,050.58 = 28,563.12 : x
  2. Step 2: Convert to fraction form
    66,033.72/99,050.58 = 28,563.12/x
  3. Step 3: Cross multiply
    66,033.72x = 99,050.58 × 28,563.12
  4. Step 4: Simplify right side
    66,033.72x = 2,829,193,602.61
  5. Step 5: Solve for x
    x = 2,829,193,602.61/66,033.72
  6. Step 6: Final answer
    x = 42,844.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.